What is the difference of 5 and 2/5 ? show your work

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined

    choose the correct definition for  extremo.  a.  end      b.  extra      c.  extract      d.  eventual